<div nz-col nzMd="24" nzXs="24" nzSm="24">
    <nz-form-item>
      <nz-form-label nzFor="CreateDate">请选择规则</nz-form-label>
      <nz-form-control>
        <nz-select [(ngModel)]="rule" (ngModelChange)="selectchanged($event)">
          <nz-option *ngFor="let c of rules" [nzValue]="c.ruleId" [nzLabel]="c.name"></nz-option>
        </nz-select>
      </nz-form-control>
    </nz-form-item>
  
    <st [expandAccordion]="true" #st [data]="params.dev" [columns]="columns"  expandAccordion> </st>
  
    <button nz-button [nzType]="'primary'" (click)="downlink()" acl [acl-ability]="137">
      <i nz-icon nzType="apartment"></i>
      <span>规则下发</span>
    </button>
  </div>
  